Chilling effect can refer to:

• Chilling effect (term) - a term used to describe suppression of Freedom of speech, also called libel chill.
• Chilling Effects (group) - an organization that is a collaboration between several law school clinics and the Electronic Frontier Foundation to protect lawful online activity from legal threats.
• Wind chill - is the apparent temperature felt on exposed skin, which is a function of the air temperature and wind speed.